/Engine/Source/Editor/Sequencer/Public/SequencerChannelInterface.h
Extended base interface for channel types that do not specify extended editor data (ie,TMovieSceneChannelTraits<>::ExtendedEditorDataTypeis void)
template<typename ChannelType> struct TSequencerChannelInterfaceBase< ChannelType, false > : public [TSequencerChannelInterfaceCommon< ChannelType >](API\Editor\Sequencer\TSequencerChannelInterfaceCommon)